$87 Cheap Flights from Baltimore (BWI) to Buffalo (BUF)

Baltimore (BWI) to Buffalo (BUF) at a glance

Discover a range of airlines offering routes from Baltimore (BWI) to Buffalo (BUF) on this quick domestic journey. Compare choices from both full-service and budget carriers to uncover options that align with your budget and travel schedule as you prepare to explore Buffalo's iconic attractions and neighborhoods. Gather essential details for flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF).

• Fastest flight duration: around 1h 15m non-stop
• Route distance: roughly 300 miles (485 km)
• Flights per week: around 11 departures on average
• Typical fares (one-way): economy tickets often range from $75–$370, depending on seasonality and how far ahead you book

Flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF)

According to recent traveler bookings, here are the most popular airlines for flights from Baltimore to Buffalo, featuring both non-stop and one-stop options. Common layover points include Charlotte-Douglas International Airport (CLT) with about a 1 hour and 15 minute layover, Hartsfield-Jackson Atlanta International Airport (ATL) at approximately 2 hours, and Tampa International Airport (TPA) with a 1 hour and 45 minute layover. This variety allows you to compare prices, total travel times, and cabin classes to find your ideal itinerary.

• Southwest Airlines: This budget-friendly airline provides non-stop flights, with one-way fares generally falling between $75 and $370. It dominates the route with about 85% of departures, and the total travel time is approximately 1 hour and 15 minutes.
• American Airlines: Known for its full-service offerings, this carrier provides one-stop options with one-way tickets typically priced from $105 to $325. It represents around 8% of the route's departures, featuring an in-flight duration of 3 hours and 30 minutes, resulting in a total journey time of about 5 hours and 15 minutes, including layover.
• Frontier Airlines: A budget airline that offers one-stop services, with one-way fares usually ranging from $75 to $180. It accounts for about 5% of the departures on this route, with an in-flight time of 3 hours and 30 minutes and a total travel duration of roughly 5 hours and 15 minutes, factoring in the layover.
• Delta: This full-service airline features one-stop flights, with one-way prices typically between $120 and $315. Delta provides around 2% of departures on this route, with an in-flight time of 3 hours and 30 minutes, leading to a total travel time of approximately 5 hours and 15 minutes, including layover.

Best time to fly from Baltimore (BWI) to Buffalo (BUF)

The most popular months for travelers flying from Baltimore to Buffalo are April, August, and September, when peak temperatures in Buffalo reach up to 70.7°F in August. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 26.1°F. For better deals, May usually offers the lowest average one-way fare around $187. Flight availability peaks in August, with approximately 14 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: May usually offers good deals with average one-way fare around $187, roughly 16% cheaper than the yearly average.
• Another budget-friendly time to fly: August typically offers an average one-way fare of around $196.
• Most flight options: August has the highest number of flights from Baltimore to Buffalo, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Baltimore (BWI) to Buffalo (BUF)

• Baltimore to Niagara Falls (BWI-IAG): Located approximately 16 miles from Buffalo Niagara International Airport (BUF), Niagara Falls International Airport (IAG) serves as a convenient gateway to this stunning natural wonder.

How to find the best prices for flights from Baltimore (BWI) to Buffalo (BUF)

Getting some of the best deals on flights from Baltimore to Buffalo is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book 2 to 8 weeks ahead. Departures during the morning hours (5 AM to 12 PM) often provide lower prices and are popular among travelers, while flying on Tuesday typically offers cheaper fares, despite Friday being the most sought-after travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Buffalo Niagara International Airport from Baltimore Washington International Thurgood Marshall Airport

Buffalo welcomes travelers from Baltimore with a range of transport options based on price, convenience, and proximity. Here's how to reach Buffalo efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Buffalo, with private rides that can be arranged in advance.
• Car rental: Renting a car from Buffalo Niagara International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Buffalo Niagara International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Buffalo Niagara International Airport, Buffalo-Depew Station, a train station, is located about 2.6 miles away by car, while University Station, a metro station, is situated approximately 6.5 miles away by car, providing convenient access to public transport options.

Baltimore to Buffalo Flights

The cheapest times to fly from Baltimore to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Buffalo are during the month of February. You can find some of the cheapest flights from Baltimore to Buffalo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Baltimore to Buffalo

Sunday is one of the best days to book for cheap flights from Baltimore to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Baltimore to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $87 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.